Charles Euchner, special projects editor for New America, is the author of forthcoming books about Woodrow Wilson and political activism in the U.S. Reach him at awriteratlarge.com.
Solving difficult visual puzzles seems to help the brain "rewire" itself by forming new neural pathways.
In 1919, Woodrow Wilson attempted to rally the U.S. behind the League of Nations. His failure suggested the way forward.
A study of 323 uprisings against repressive regimes yields stunning insights.